CERTIFIRE认证：TS49垂直和水平分离元件
日期:2020-03-17 11:25
tests on building materials and structures. Method for determination of the fire resistance of non-loadbearing elements of construction
BS 476-31.1：建筑材料和结构的防火测试，测定通过防火门组件和百叶窗组件的烟雾穿透
BS 476-31.1 ：Fire tests on building materials and structures. Methods for measuring smoke penetration through doorsets and shutter assemblies. Method of measurement under ambient temperature conditions
BS 5268- 4：结构建筑，木结构的耐火性能
BS 5268- 4 ：Structural use of timber. Fire resistan
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